Home / 98,000.24-147,001.18-31,440.48

Finding the Fourth Proportional to 98,000.24, 147,001.18 and 31,440.48

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Solution

The fourth proportional to 98,000.24, 147,001.18 and 31,440.48 is: 47,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,000.24 : 147,001.18 = 31,440.48 : x
  2. Step 2: Convert to fraction form
    98,000.24/147,001.18 = 31,440.48/x
  3. Step 3: Cross multiply
    98,000.24x = 147,001.18 × 31,440.48
  4. Step 4: Simplify right side
    98,000.24x = 4,621,787,659.77
  5. Step 5: Solve for x
    x = 4,621,787,659.77/98,000.24
  6. Step 6: Final answer
    x = 47,160.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.